<span>He developed a scientific theory of biological evolution that explains how modern organisms evolved over long periods of time through descent from common anscestors</span>
Answer:
1)200
Explanation:
The Sargasso Sea is constantly considered a lifeless environment, due to its high salinity and temperature, which are considered inhospitable for most species. However, the Sargasso Sea is rich in local species, accounting for more than 200 of them, composed of algae, crustaceans, fish, microorganisms, among others.
Answer:
They speed up chemical reactions. Without them you wouldn't be alive. They break down macromolecules, and also lower the amount of energy needed for a chemical reaction to happen.
<span>Species because it narrows it down to one thing.</span>